About the book: 1999 / Dark autumn evening. Deserted Moscow lane. Suddenly, a passer-by falls through the open hatch leading to the basement of the store. Zhenya rushes to his aid, but the store employees assure him that the hatch has been locked since the morning. What's going on? What is the secret behind this? A company from Bolshaya Spasskaya embarks on a search for a stranger…